Orientation of Crescent Moon

Explanation of Crescent Moon Orientation

For the figure at the top of the page,
the sky is black suggesting night, but the cusps point down.
The crescent moon is visible sometimes during the night
and sometimes during the day. The bright side faces the sun and the
points or cusps point away from the sun. Thus, if the cusps point down the sun
must up in the sky and it is day. However, in comic strips we often we see the
daytime crescent moon on a black background suggesting that it is nighttime.
Here are some examples: